:root {
  --ee-e2-nav-green: #00ff3c;
  --ee-e2-nav-white: #f7fff8;
  --dial-center-x: calc(100vw + 116px);
  --dial-center-y: 50vh;
  --dial-radius: 238px;
}

.e2-nav-preview {
  position: fixed;
  top: 0;
  right: 0;
  bottom: auto;
  left: auto;
  width: 0;
  height: 0;
  overflow: visible;
  z-index: 1000;
  pointer-events: none;
}

.e2-nav-preview.is-open,
.e2-nav-preview.is-closing {
  inset: 0;
  width: auto;
  height: 100dvh;
  max-height: 100dvh;
  overflow: clip;
}

.e2-nav-preview.is-open {
  pointer-events: auto;
}

.e2-nav-preview.is-closing {
  pointer-events: none;
}

.e2-nav-assist-hint {
  position: fixed;
  top: calc(60vh - 18px);
  right: 32px;
  z-index: 1002;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: rgba(255, 255, 255, 0.78);
  font-family: "Lucida Console", "Courier New", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  opacity: 0;
  pointer-events: none;
  text-shadow: 0 0 10px rgba(0, 255, 60, 0.2);
  transform: translateX(10px);
  transition: opacity 240ms ease, transform 300ms cubic-bezier(.16, 1, .2, 1);
  white-space: nowrap;
}

.e2-nav-assist-hint::after {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 255, 60, 0.12), rgba(0, 255, 60, 0.74));
  box-shadow: 0 0 8px rgba(0, 255, 60, 0.22);
}

.e2-nav-preview.show-assist-hint .e2-nav-assist-hint {
  opacity: 1;
  transform: translateX(0);
}

.e2-nav-scrim {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 101% 50%, rgba(0, 0, 0, 0.78) 0, rgba(0, 0, 0, 0.64) 10rem, rgba(0, 0, 0, 0.12) 27rem, transparent 36rem),
    radial-gradient(circle at 104% 50%, rgba(0, 255, 60, 0.2), rgba(0, 255, 60, 0.08) 14rem, transparent 28rem),
    linear-gradient(90deg, transparent 0, transparent 46%, rgba(0, 0, 0, 0.3) 70%, rgba(0, 0, 0, 0.68) 100%);
  transition: opacity 220ms ease;
}

.e2-nav-preview.is-open .e2-nav-scrim {
  opacity: 1;
  pointer-events: auto;
}

.e2-nav-preview.is-closing .e2-nav-scrim {
  opacity: 0;
}

.e2-nav-trigger {
  position: fixed;
  top: 60vh;
  right: -8px;
  bottom: auto;
  z-index: 1003;
  display: grid;
  width: 31px;
  height: 88px;
  place-items: center;
  border: 1px solid rgba(0, 255, 60, 0.28);
  border-right: 0;
  border-radius: 11px 0 0 11px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), transparent 38%),
    linear-gradient(90deg, rgba(0, 255, 60, 0.12), transparent 5px),
    rgba(4, 6, 7, 0.88);
  box-shadow:
    inset 1px 0 0 rgba(0, 255, 60, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 0 12px rgba(0, 255, 60, 0.08),
    0 12px 24px rgba(0, 0, 0, 0.4);
  color: var(--ee-e2-nav-green);
  cursor: pointer;
  pointer-events: auto;
  text-transform: uppercase;
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  transform: translateY(-50%);
  transition:
    right 320ms cubic-bezier(.16, 1, .2, 1),
    top 320ms cubic-bezier(.16, 1, .2, 1),
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.e2-nav-trigger:active {
  transform: translateY(-50%) translateX(-2px) scale(0.98);
}

.e2-nav-trigger-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 950;
  font-family: "Arial Narrow", "Roboto Condensed", "Helvetica Neue Condensed", Arial, Helvetica, sans-serif;
  font-stretch: condensed;
  letter-spacing: 0.2em;
  line-height: 1;
  pointer-events: none;
  text-shadow: 0 0 8px rgba(0, 255, 60, 0.18);
  transform: translateX(-2px) rotate(-90deg);
  transform-origin: center;
  white-space: nowrap;
}

.e2-nav-trigger-logo,
.e2-nav-trigger-go {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  transition: opacity 160ms ease, transform 180ms ease;
}

.e2-nav-trigger-logo {
  transform: scale(0.68);
}

.e2-nav-trigger-logo img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0, 255, 60, 0.42));
}

.e2-nav-trigger-go {
  color: var(--ee-e2-nav-white);
  font-size: 0.86rem;
  font-weight: 950;
  letter-spacing: 0.06em;
  line-height: 0.9;
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.28),
    0 0 14px rgba(0, 255, 60, 0.18);
  transform: scale(0.74);
}

.e2-nav-trigger-go span {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.04rem;
}

.e2-nav-preview.is-open .e2-nav-trigger {
  top: var(--dial-center-y);
  right: -6px;
  width: 48px;
  height: 58px;
  transform: translateY(-50%) translateX(-5px);
  border-color: rgba(255, 255, 255, 0.24);
  border-radius: 14px 0 0 14px;
  box-shadow:
    inset 1px 0 0 rgba(0, 255, 60, 0.46),
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 0 16px rgba(0, 255, 60, 0.12),
    0 14px 30px rgba(0, 0, 0, 0.52);
}

.e2-nav-preview.is-open .e2-nav-trigger-label {
  opacity: 0;
}

.e2-nav-preview.is-open .e2-nav-trigger-logo {
  opacity: 1;
  transform: scale(1);
}

.e2-nav-preview.has-selection .e2-nav-trigger-logo {
  opacity: 0;
  transform: scale(0.68);
}

.e2-nav-preview.has-selection .e2-nav-trigger-go {
  opacity: 1;
  transform: scale(1);
}

.e2-nav-preview.is-closing .e2-nav-trigger {
  top: 60vh;
  right: -8px;
  width: 31px;
  height: 88px;
  bottom: auto;
  border-radius: 11px 0 0 11px;
  transform: translateY(-50%);
}

.e2-nav-preview.is-closing .e2-nav-trigger-label {
  opacity: 1;
}

.e2-nav-preview.is-closing .e2-nav-trigger-logo,
.e2-nav-preview.is-closing .e2-nav-trigger-go {
  opacity: 0;
  transform: scale(0.72);
}

.e2-rotary-stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.e2-nav-preview.is-open .e2-rotary-stage {
  pointer-events: auto;
}

.e2-dial-arc {
  position: absolute;
  top: calc(var(--dial-center-y) - var(--dial-radius));
  left: calc(var(--dial-center-x) - var(--dial-radius));
  width: calc(var(--dial-radius) * 2);
  height: calc(var(--dial-radius) * 2);
  border: 1px solid rgba(0, 255, 60, 0.24);
  border-left-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
  opacity: 0;
  transform: scale(0.86);
  filter: drop-shadow(0 0 18px rgba(0, 255, 60, 0.22));
  transition: opacity 120ms ease, transform 360ms cubic-bezier(.16, 1, .2, 1);
}

.e2-nav-preview.is-open .e2-dial-arc {
  opacity: 1;
  transform: scale(1);
}

.e2-nav-preview.is-closing .e2-dial-arc {
  opacity: 0;
  transform: scale(0.86);
}

.e2-debug-orbit {
  position: absolute;
  top: calc(var(--dial-center-y) - var(--dial-radius));
  left: calc(var(--dial-center-x) - var(--dial-radius));
  width: calc(var(--dial-radius) * 2);
  height: calc(var(--dial-radius) * 2);
  border: 1px dashed rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}

.e2-nav-preview.is-open .e2-debug-orbit {
  opacity: 1;
}

.e2-nav-preview.is-closing .e2-debug-orbit {
  opacity: 0;
  transform: scale(0.86);
}

.e2-debug-marker,
.e2-debug-center {
  position: absolute;
  z-index: 1;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(0, 255, 60, 0.86);
  box-shadow: 0 0 10px rgba(0, 255, 60, 0.56);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: left 420ms cubic-bezier(.16, 1, .2, 1), top 420ms cubic-bezier(.16, 1, .2, 1), opacity 160ms ease;
}

.e2-debug-center {
  left: var(--dial-center-x);
  top: var(--dial-center-y);
  width: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 0 14px rgba(255, 255, 255, 0.48);
}

.e2-nav-preview.is-open .e2-debug-marker,
.e2-nav-preview.is-open .e2-debug-center {
  opacity: 1;
}

.e2-nav-preview.is-closing .e2-debug-marker,
.e2-nav-preview.is-closing .e2-debug-center {
  opacity: 0;
}

.e2-dial-arc::before,
.e2-dial-arc::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 8px;
  width: 1px;
  height: 22px;
  background: rgba(0, 255, 60, 0.42);
  transform-origin: 0 181px;
}

.e2-dial-arc::before {
  transform: rotate(-23deg);
}

.e2-dial-arc::after {
  transform: rotate(23deg);
}

.e2-dial-center-guide {
  position: absolute;
  left: var(--dial-center-x);
  top: var(--dial-center-y);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  opacity: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.e2-dial-items {
  position: absolute;
  inset: 0;
  touch-action: none;
}

.e2-dial-item {
  position: absolute;
  left: var(--item-left, calc(100vw - 160px));
  top: var(--item-top, 50vh);
  min-width: 10.75rem;
  padding-right: 0.22rem;
  border: 0;
  background: transparent;
  color: var(--ee-e2-nav-green);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-align: right;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  text-shadow: 0 0 12px rgba(0, 255, 60, 0.45);
  transform: translate(-100%, -50%) rotate(var(--item-rotate, 0deg)) scale(var(--item-scale, 1));
  transform-origin: 100% 50%;
  transition:
    left 420ms cubic-bezier(.16, 1, .2, 1),
    top 420ms cubic-bezier(.16, 1, .2, 1),
    opacity 180ms ease,
    color 180ms ease,
    filter 180ms ease,
    transform 420ms cubic-bezier(.16, 1, .2, 1);
}

.e2-nav-preview.is-open .e2-dial-item {
  opacity: var(--item-opacity, 0);
  pointer-events: auto;
  transform: translate(-100%, -50%) rotate(var(--item-rotate, 0deg)) scale(var(--item-scale, 1));
}

.e2-nav-preview.is-dragging .e2-dial-item {
  transition:
    opacity 120ms ease,
    color 120ms ease,
    filter 120ms ease;
}

.e2-nav-preview.is-closing .e2-dial-item {
  opacity: 0;
  pointer-events: none;
  transform: translate(-100%, -50%) rotate(var(--item-rotate, 0deg)) scale(0.82);
}

.e2-dial-item::after {
  content: "";
  position: absolute;
  right: -26px;
  top: 50%;
  width: 18px;
  height: 1px;
  background: rgba(0, 255, 60, 0.34);
  opacity: var(--tick-opacity, 0.35);
  transform: translateY(-50%);
  box-shadow: 0 0 10px rgba(0, 255, 60, 0.22);
}

.e2-dial-item.is-active::after {
  width: 26px;
  background: rgba(255, 255, 255, 0.52);
  box-shadow: 0 0 12px rgba(0, 255, 60, 0.28);
}

.e2-dial-item.is-active {
  color: var(--ee-e2-nav-white);
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-shadow:
    0 0 12px rgba(255, 255, 255, 0.3),
    0 0 20px rgba(0, 255, 60, 0.25);
  filter: none;
}

.e2-dial-label {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.46rem;
  min-height: 1.1em;
}

.e2-dial-icon {
  display: inline-grid;
  width: 1.02em;
  height: 1.02em;
  place-items: center;
  color: currentColor;
  filter: drop-shadow(0 0 8px rgba(0, 255, 60, 0.28));
}

.e2-dial-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.e2-dial-tap {
  position: absolute;
  top: calc(100% + 0.12rem);
  right: 0.22rem;
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.56rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  text-shadow: 0 0 10px rgba(0, 255, 60, 0.28);
  transition: opacity 160ms ease, transform 220ms ease;
  transform: translateY(-0.1rem);
}

.e2-dial-item.is-active .e2-dial-tap {
  opacity: 1;
  transform: translateY(0);
}

.e2-dial-item:not(.is-active) {
  filter: saturate(1.14);
  cursor: default;
}

.e2-dial-go {
  display: none;
}

@media (min-width: 768px) {
  .e2-nav-preview:not(.is-open) .e2-nav-trigger {
    right: -5px;
    width: clamp(38px, 2.35vw, 47px);
    height: clamp(108px, 8.2vh, 132px);
    border-radius: 13px 0 0 13px;
  }

  .e2-nav-preview:not(.is-open) .e2-nav-trigger-label {
    font-size: clamp(0.72rem, 0.72vw, 0.86rem);
    letter-spacing: 0.18em;
    transform: translateX(-1px) rotate(-90deg);
  }
}

@media (max-width: 640px) {
  .e2-nav-preview.is-open,
  .e2-nav-preview.is-closing {
    height: 100svh;
    max-height: 100svh;
  }

  .e2-nav-assist-hint {
    top: calc(60vh - 15px);
    right: 28px;
    font-size: 0.58rem;
  }

  .e2-nav-assist-hint::after {
    width: 20px;
  }

  .e2-nav-scrim {
    background:
      radial-gradient(circle at 100% 50%, rgba(0, 0, 0, 0.9) 0, rgba(0, 0, 0, 0.82) 9rem, rgba(0, 0, 0, 0.5) 19rem, transparent 31rem),
      radial-gradient(circle at 106% 50%, rgba(0, 255, 60, 0.24), rgba(0, 255, 60, 0.1) 12rem, transparent 25rem),
      linear-gradient(90deg, rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0.52) 56%, rgba(0, 0, 0, 0.82) 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .e2-nav-trigger,
  .e2-nav-scrim,
  .e2-dial-arc,
  .e2-dial-item {
    transition: none;
  }
}

@media print {
  .e2-nav-preview {
    display: none;
  }
}